Read the following summaries of the original text and decide which one includes unnecessary details.
Original text: The number of overweight children is predict to rise significantly around the world by the end of the decade. Research conducted in 25 countries has concluded that almost every country showed significant increases in childhood obesity. Almost 50% of children in the US, Canada and Latin America will be overweight by 2020; in China, this figure is estimated to be one in five. Scientists believe this will mean that health care services will be seriously affected in the future. Many obese children will become obese adults, which will result in many of them suffering from heart disease, stroke, and other weight-related ailments.